GB1208516A - Microfilm viewing apparatus - Google Patents
Microfilm viewing apparatusInfo
- Publication number
- GB1208516A GB1208516A GB39731/68A GB3973168A GB1208516A GB 1208516 A GB1208516 A GB 1208516A GB 39731/68 A GB39731/68 A GB 39731/68A GB 3973168 A GB3973168 A GB 3973168A GB 1208516 A GB1208516 A GB 1208516A
- Authority
- GB
- United Kingdom
- Prior art keywords
- shaft
- film
- spindles
- drive
- wheels
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000000452 restraining effect Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/10—Projectors with built-in or built-on screen
- G03B21/11—Projectors with built-in or built-on screen for microfilm reading
- G03B21/111—Projectors with built-in or built-on screen for microfilm reading of roll films
- G03B21/113—Handling roll films
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/10—Projectors with built-in or built-on screen
- G03B21/11—Projectors with built-in or built-on screen for microfilm reading
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/32—Details specially adapted for motion-picture projection
- G03B21/43—Driving mechanisms
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
- Replacement Of Web Rolls (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US66812267A | 1967-09-15 | 1967-09-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1208516A true GB1208516A (en) | 1970-10-14 |
Family
ID=24681099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB39731/68A Expired GB1208516A (en) | 1967-09-15 | 1968-08-20 | Microfilm viewing apparatus |
Country Status (4)
Country | Link |
---|---|
US (1) | US3523657A (enrdf_load_stackoverflow) |
DE (1) | DE1797210A1 (enrdf_load_stackoverflow) |
FR (1) | FR1579920A (enrdf_load_stackoverflow) |
GB (1) | GB1208516A (enrdf_load_stackoverflow) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3687536A (en) * | 1970-01-19 | 1972-08-29 | Kickshaw Inc | Multi-film projector |
US3679298A (en) * | 1970-02-03 | 1972-07-25 | Eastman Kodak Co | Cassette-type microfilm reader |
US3672593A (en) * | 1970-02-03 | 1972-06-27 | Eastman Kodak Co | Selective scanning control for projection apparatus |
US3706488A (en) * | 1970-05-27 | 1972-12-19 | Xerox Corp | Variable film reel |
US3785728A (en) * | 1970-11-18 | 1974-01-15 | Gelatt Invest Inc | Microfilm viewer |
US3844642A (en) * | 1970-11-18 | 1974-10-29 | Gelatt Investments Inc | Microfilm viewer |
US3836091A (en) * | 1971-04-15 | 1974-09-17 | Memorex Corp | Film cassette |
US3679817A (en) * | 1971-04-20 | 1972-07-25 | Columbia Broadcasting Syst Inc | Record medium for picture information |
DE2218490C3 (de) * | 1972-04-17 | 1978-10-26 | H. Bertold Ag, 1000 Berlin | Vorrichtung zum Bewegen und Festhalten eines umspulbaren Informationsträgers |
US3851840A (en) * | 1972-05-18 | 1974-12-03 | Westinghouse Electric Corp | High speed cartridge |
US3851842A (en) * | 1972-05-18 | 1974-12-03 | C Bastiaans | High speed tape cassette |
US3851841A (en) * | 1972-05-18 | 1974-12-03 | Westinghouse Electric Corp | High speed tape cassette |
US4258986A (en) * | 1976-10-20 | 1981-03-31 | Crandall Richard W | Electric books and microfilm structures and the production thereof for use in electric books |
DE2943489C2 (de) * | 1979-10-27 | 1984-10-11 | Agfa-Gevaert Ag, 5090 Leverkusen | Magazin für Mikrorollfilm sowie hierfür geeignetes Mikrofilm-Lesegerät |
WO1982003469A1 (en) * | 1981-03-30 | 1982-10-14 | Richard Crandall | Electric books and microfilm structures and the production there of for use in electric books |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1041184A (en) * | 1912-02-09 | 1912-10-15 | Charles Spiro | Ribbon-spool mechanism for type-writers. |
US1969484A (en) * | 1931-08-17 | 1934-08-07 | Eastman Kodak Co | Reversible film for motion picture apparatus |
US2012437A (en) * | 1933-09-15 | 1935-08-27 | Ralph H Segal | Recording device |
US2197779A (en) * | 1936-07-13 | 1940-04-23 | Bronson Reel Company | Reel |
US2324453A (en) * | 1941-05-02 | 1943-07-13 | Milo H Albers | Winding reel for maps or the like |
US2336278A (en) * | 1942-02-13 | 1943-12-07 | Eastman Kodak Co | Film winding apparatus |
US2624231A (en) * | 1947-07-31 | 1953-01-06 | Kingston Arthur William | Magazine for translucent strip records |
US3074311A (en) * | 1959-11-16 | 1963-01-22 | Kapilow Marvin | Motion picture viewer |
US3099397A (en) * | 1962-04-18 | 1963-07-30 | Louis M Abbott | Color illuminating device |
JPS494643B1 (enrdf_load_stackoverflow) * | 1963-11-30 | 1974-02-02 | ||
US3354776A (en) * | 1964-11-20 | 1967-11-28 | Bell & Howell Co | Microfilm reader |
-
1967
- 1967-09-15 US US668122A patent/US3523657A/en not_active Expired - Lifetime
-
1968
- 1968-08-20 GB GB39731/68A patent/GB1208516A/en not_active Expired
- 1968-08-30 DE DE19681797210 patent/DE1797210A1/de active Pending
- 1968-09-13 FR FR1579920D patent/FR1579920A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1579920A (enrdf_load_stackoverflow) | 1969-08-29 |
US3523657A (en) | 1970-08-11 |
DE1797210A1 (de) | 1971-07-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |